diff --git a/kubernetes/apps/cert-manager/cert-manager.yaml b/kubernetes/apps/cert-manager/cert-manager.yaml
index 1250462..3c35f24 100644
--- a/kubernetes/apps/cert-manager/cert-manager.yaml
+++ b/kubernetes/apps/cert-manager/cert-manager.yaml
@@ -24,6 +24,7 @@ spec:
   interval: 10m
   timeout: 1m30s
   retryInterval: 30s
+  targetNamespace: cert-manager
   path: ./clusterissuer
   prune: true
   sourceRef: